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cmd/gobind: replace go/build with go/packages in gen.go 

This is preparation to support Go module.

Updates golang/go#27234

Change-Id: I8dcaed231e877e81d2072c7c85321c0acb6a8b1b
Reviewed-on: https://go-review.googlesource.com/c/mobile/+/203397
Run-TryBot: Hajime Hoshi <hajimehoshi@gmail.com>
Reviewed-by: Hyang-Ah Hana Kim <hyangah@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Hajime Hoshi 2019-10-25 19:04:14 +09:00
Родитель d309294bef
Коммит 73ccc5ba04
2 изменённых файлов: 32 добавлений и 15 удалений
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44
cmd/gobind/gen.go
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@ -8,7 +8,6 @@ import (
"bytes"
"fmt"
"go/ast"
"go/build"
"go/token"
"go/types"
"io"
@ -23,6 +22,7 @@ import (
"golang.org/x/mobile/internal/importers"
"golang.org/x/mobile/internal/importers/java"
"golang.org/x/mobile/internal/importers/objc"
"golang.org/x/tools/go/packages"
)
func genPkg(lang string, p *types.Package, astFiles []*ast.File, allPkg []*types.Package, classes []*java.Class, otypes []*objc.Named) {
@ -80,12 +80,12 @@ func genPkg(lang string, p *types.Package, astFiles []*ast.File, allPkg []*types
closer()
// Generate support files along with the universe package
if p == nil {
p, err := build.Default.Import("golang.org/x/mobile/bind", ".", build.ImportComment)
dir, err := packageDir("golang.org/x/mobile/bind")
if err != nil {
errorf(`"golang.org/x/mobile/bind" is not found; run go get golang.org/x/mobile/bind: %v`, err)
return
}
repo := filepath.Clean(filepath.Join(p.Dir, "..")) // golang.org/x/mobile directory.
repo := filepath.Clean(filepath.Join(dir, "..")) // golang.org/x/mobile directory.
for _, javaFile := range []string{"Seq.java"} {
src := filepath.Join(repo, "bind/java/"+javaFile)
in, err := os.Open(src)
@ -101,14 +101,18 @@ func genPkg(lang string, p *types.Package, astFiles []*ast.File, allPkg []*types
}
}
// Copy support files
javaPkg, err := build.Default.Import("golang.org/x/mobile/bind/java", "", build.FindOnly)
if err != nil {
errorf("unable to import bind/java: %v", err)
return
}
copyFile(filepath.Join("src", "gobind", "seq_android.c"), filepath.Join(javaPkg.Dir, "seq_android.c.support"))
copyFile(filepath.Join("src", "gobind", "seq_android.go"), filepath.Join(javaPkg.Dir, "seq_android.go.support"))
copyFile(filepath.Join("src", "gobind", "seq_android.h"), filepath.Join(javaPkg.Dir, "seq_android.h"))
javaDir, err := packageDir("golang.org/x/mobile/bind/java")
if err != nil {
errorf("unable to import bind/java: %v", err)
return
}
copyFile(filepath.Join("src", "gobind", "seq_android.c"), filepath.Join(javaDir, "seq_android.c.support"))
copyFile(filepath.Join("src", "gobind", "seq_android.go"), filepath.Join(javaDir, "seq_android.go.support"))
copyFile(filepath.Join("src", "gobind", "seq_android.h"), filepath.Join(javaDir, "seq_android.h"))
}
case "go":
w, closer := writer(filepath.Join("src", "gobind", fname))
@ -123,12 +127,12 @@ func genPkg(lang string, p *types.Package, astFiles []*ast.File, allPkg []*types
genPkgH(w, "seq")
io.Copy(w, &buf)
closer()
bindPkg, err := build.Default.Import("golang.org/x/mobile/bind", "", build.FindOnly)
dir, err := packageDir("golang.org/x/mobile/bind")
if err != nil {
errorf("unable to import bind: %v", err)
return
}
copyFile(filepath.Join("src", "gobind", "seq.go"), filepath.Join(bindPkg.Dir, "seq.go.support"))
copyFile(filepath.Join("src", "gobind", "seq.go"), filepath.Join(dir, "seq.go.support"))
case "objc":
g := &bind.ObjcGen{
Generator: generator,
@ -152,15 +156,15 @@ func genPkg(lang string, p *types.Package, astFiles []*ast.File, allPkg []*types
closer()
if p == nil {
// Copy support files
objcPkg, err := build.Default.Import("golang.org/x/mobile/bind/objc", "", build.FindOnly)
dir, err := packageDir("golang.org/x/mobile/bind/objc")
if err != nil {
errorf("unable to import bind/objc: %v", err)
return
}
copyFile(filepath.Join("src", "gobind", "seq_darwin.m"), filepath.Join(objcPkg.Dir, "seq_darwin.m.support"))
copyFile(filepath.Join("src", "gobind", "seq_darwin.go"), filepath.Join(objcPkg.Dir, "seq_darwin.go.support"))
copyFile(filepath.Join("src", "gobind", "ref.h"), filepath.Join(objcPkg.Dir, "ref.h"))
copyFile(filepath.Join("src", "gobind", "seq_darwin.h"), filepath.Join(objcPkg.Dir, "seq_darwin.h"))
copyFile(filepath.Join("src", "gobind", "seq_darwin.m"), filepath.Join(dir, "seq_darwin.m.support"))
copyFile(filepath.Join("src", "gobind", "seq_darwin.go"), filepath.Join(dir, "seq_darwin.go.support"))
copyFile(filepath.Join("src", "gobind", "ref.h"), filepath.Join(dir, "ref.h"))
copyFile(filepath.Join("src", "gobind", "seq_darwin.h"), filepath.Join(dir, "seq_darwin.h"))
}
default:
errorf("unknown target language: %q", lang)
@ -370,3 +374,15 @@ func defaultFileName(lang string, pkg *types.Package) string {
os.Exit(exitStatus)
return ""
}
func packageDir(path string) (string, error) {
pkgs, err := packages.Load(nil, path)
if err != nil {
return "", err
}
pkg := pkgs[0]
if len(pkg.Errors) > 0 {
return "", fmt.Errorf("%v", pkg.Errors)
}
return filepath.Dir(pkg.GoFiles[0]), nil
}

3
cmd/gobind/gobind_test.go
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@ -13,6 +13,7 @@ import (
"os/exec"
"path/filepath"
"runtime"
"strings"
"testing"
)
@ -118,7 +119,7 @@ type Struct struct{
for _, lang := range []string{"java", "objc"} {
cmd := exec.Command(gobindBin, "-lang", lang, "doctest")
// TODO(hajimehoshi): Enable this test with Go modules.
cmd.Env = append(os.Environ(), "GOPATH="+tmpdir+string(filepath.ListSeparator)+string(gopath), "GO111MODULE=off")
cmd.Env = append(os.Environ(), "GOPATH="+tmpdir+string(filepath.ListSeparator)+strings.TrimSpace(string(gopath)), "GO111MODULE=off")
out, err := cmd.CombinedOutput()
if err != nil {
t.Errorf("gobind -lang %s failed: %v: %s", lang, err, out)